179920816

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{631}}^1$

素因数の和:961

約数の個数: 40

約数和(自身を含む): 355477248

約数和(自身を除く): 175556432

約数列:

[1, 2, 4, 8, 16, 71, 142, 251, 284, 502, 568, 631, 1004, 1136, 1262, 2008, 2524, 4016, 5048, 10096, 17821, 35642, 44801, 71284, 89602, 142568, 158381, 179204, 285136, 316762, 358408, 633524, 716816, 1267048, 2534096, 11245051, 22490102, 44980204, 89960408, 179920816]

約数ペア:

[(1, 179920816), (2, 89960408), (4, 44980204), (8, 22490102), (16, 11245051), (71, 2534096), (142, 1267048), (251, 716816), (284, 633524), (502, 358408), (568, 316762), (631, 285136), (1004, 179204), (1136, 158381), (1262, 142568), (2008, 89602), (2524, 71284), (4016, 44801), (5048, 35642), (10096, 17821)]